102 lines
5.3 KiB
C
102 lines
5.3 KiB
C
/* System calls. */
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#define SEND 1 /* function code for sending messages */
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#define RECEIVE 2 /* function code for receiving messages */
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#define BOTH 3 /* function code for SEND + RECEIVE */
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#define ANY (NR_PROCS+100) /* receive(ANY, buf) accepts from any source */
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/* Task numbers, function codes and reply codes. */
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#define HARDWARE -1 /* used as source on interrupt generated msgs */
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#define SYSTASK -2 /* internal functions */
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# define SYS_XIT 1 /* fcn code for sys_xit(parent, proc) */
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# define SYS_GETSP 2 /* fcn code for sys_sp(proc, &new_sp) */
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# define SYS_SIG 3 /* fcn code for sys_sig(proc, sig) */
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# define SYS_FORK 4 /* fcn code for sys_fork(parent, child) */
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# define SYS_NEWMAP 5 /* fcn code for sys_newmap(procno, map_ptr) */
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# define SYS_COPY 6 /* fcn code for sys_copy(ptr) */
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# define SYS_EXEC 7 /* fcn code for sys_exec(procno, new_sp) */
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# define SYS_TIMES 8 /* fcn code for sys_times(procno, bufptr) */
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# define SYS_ABORT 9 /* fcn code for sys_abort() */
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#ifdef ATARI_ST
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# define SYS_FRESH 10 /* fcn code for sys_fresh() */
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#endif
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#define CLOCK -3 /* clock class */
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# define SET_ALARM 1 /* fcn code to CLOCK, set up alarm */
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# define CLOCK_TICK 2 /* fcn code for clock tick */
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# define GET_TIME 3 /* fcn code to CLOCK, get real time */
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# define SET_TIME 4 /* fcn code to CLOCK, set real time */
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# define REAL_TIME 1 /* reply from CLOCK: here is real time */
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#define MEM -4 /* /dev/ram, /dev/(k)mem and /dev/null class */
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# define RAM_DEV 0 /* minor device for /dev/ram */
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# define MEM_DEV 1 /* minor device for /dev/mem */
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# define KMEM_DEV 2 /* minor device for /dev/kmem */
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# define NULL_DEV 3 /* minor device for /dev/null */
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#define FLOPPY -5 /* floppy disk class */
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#define WINCHESTER -6 /* winchester (hard) disk class */
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# define DISKINT 1 /* fcn code for disk interupt */
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# define DISK_READ 3 /* fcn code to DISK (must equal TTY_READ) */
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# define DISK_WRITE 4 /* fcn code to DISK (must equal TTY_WRITE) */
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# define DISK_IOCTL 5 /* fcn code for setting up RAM disk */
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#define TTY -7 /* terminal I/O class */
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#define PRINTER -8 /* printer I/O class */
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# define TTY_CHAR_INT 1 /* fcn code for tty input interrupt */
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# define TTY_O_DONE 2 /* fcn code for tty output done */
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# define TTY_READ 3 /* fcn code for reading from tty */
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# define TTY_WRITE 4 /* fcn code for writing to tty */
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# define TTY_IOCTL 5 /* fcn code for ioctl */
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# define SUSPEND -998 /* used in interrupts when tty has no data */
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/* Names of message fields for messages to CLOCK task. */
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#define DELTA_TICKS m6_l1 /* alarm interval in clock ticks */
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#define FUNC_TO_CALL m6_f1 /* pointer to function to call */
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#define NEW_TIME m6_l1 /* value to set clock to (SET_TIME) */
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#define CLOCK_PROC_NR m6_i1 /* which proc (or task) wants the alarm? */
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#define SECONDS_LEFT m6_l1 /* how many seconds were remaining */
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/* Names of message fields used for messages to block and character tasks. */
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#define DEVICE m2_i1 /* major-minor device */
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#define PROC_NR m2_i2 /* which (proc) wants I/O? */
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#define COUNT m2_i3 /* how many bytes to transfer */
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#define POSITION m2_l1 /* file offset */
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#define ADDRESS m2_p1 /* core buffer address */
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/* Names of message fields for messages to TTY task. */
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#define TTY_LINE m2_i1 /* message parameter: terminal line */
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#define TTY_REQUEST m2_i3 /* message parameter: ioctl request code */
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#define TTY_SPEK m2_l1 /* message parameter: ioctl speed, erasing */
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#define TTY_FLAGS m2_l2 /* message parameter: ioctl tty mode */
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/* Names of messages fields used in reply messages from tasks. */
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#define REP_PROC_NR m2_i1 /* # of proc on whose behalf I/O was done */
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#define REP_STATUS m2_i2 /* bytes transferred or error number */
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/* Names of fields for copy message to SYSTASK. */
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#define SRC_SPACE m5_c1 /* T or D space (stack is also D) */
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#define SRC_PROC_NR m5_i1 /* process to copy from */
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#define SRC_BUFFER m5_l1 /* virtual address where data come from */
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#define DST_SPACE m5_c2 /* T or D space (stack is also D) */
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#define DST_PROC_NR m5_i2 /* process to copy to */
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#define DST_BUFFER m5_l2 /* virtual address where data go to */
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#define COPY_BYTES m5_l3 /* number of bytes to copy */
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/* Field names for accounting, SYSTASK and miscellaneous. */
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#define USER_TIME m4_l1 /* user time consumed by process */
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#define SYSTEM_TIME m4_l2 /* system time consumed by process */
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#define CHILD_UTIME m4_l3 /* user time consumed by process' children */
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#define CHILD_STIME m4_l4 /* system time consumed by proces children */
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#define PROC1 m1_i1 /* indicates a process */
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#define PROC2 m1_i2 /* indicates a process */
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#define PID m1_i3 /* process id passed from MM to kernel */
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#define STACK_PTR m1_p1 /* used for stack ptr in sys_exec, sys_getsp */
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#define PR m6_i1 /* process number for sys_sig */
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#define SIGNUM m6_i2 /* signal number for sys_sig */
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#define FUNC m6_f1 /* function pointer for sys_sig */
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#define MEM_PTR m1_p1 /* tells where memory map is for sys_newmap */
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#define CANCEL 0 /* general request to force a task to cancel */
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#define SIG_MAP m1_i2 /* used by kernel for passing signal bit map */
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